ScriptGrain (@scriptgrain)
Write like yourself, at scale
Website: https://scriptgrain.com
Part of Adapt Progress Evolve Limited
Founder: Jack Stovell
Based in: United Kingdom
Last updated: 2026-09-03
✓ Profile claimed by the subject (email-verified owner).
About
ScriptGrain analyses samples of your existing writing across 45 measured reference points and builds a reusable voice profile. Content generated from that profile reads as though you wrote it rather than as generic AI output, and every draft is scored for voice match against the measured profile.
What it does
Stylometric voice analysis, Reusable voice profiles, Voice-match scoring, API + MCP for AI assistants, Free AI-writing check
Work & claims
- Analyses uploaded writing samples across 45 measured reference points to build a reusable voice profile. [source] — owner supplied · source attached
- Scores every generated draft for how closely it matches the source voice. [source] — owner supplied · source attached
- Offers a free stylometric AI-writing check, no account required. [source] — owner supplied · source attached
- Paid plans run £12/month for one voice profile (Writer), £29 for three (Operator), £99 for ten (Studio) and £299 for unlimited (Agency). Annual billing is about 20% less than monthly. [source] — owner supplied · source attached
- Every plan, including the free tier, includes a public API and an MCP server (mcp.scriptgrain.com) so AI assistants can build voice profiles, draft in the measured voice, and score voice match. (2026-08–present) [source] — owner confirmed · source attached
- The free Reader plan includes one voice profile and one lifetime writing analysis covering all 45 reference points, with no card required. (2026-07–present) [source] — owner confirmed · source attached
- Voice-match scores are computed from measured feature deltas between the draft and the profile, and a polish loop revises drafts toward the voice when the score falls short. [source] — owner confirmed · source attached
Links
Frequently asked questions
What is ScriptGrain?
A writing tool that analyses samples of your existing writing across 45 measured reference points, builds a reusable voice profile, and generates new content that reads as though you wrote it.
How is it different from asking ChatGPT to write in my voice?
The voice profile is measured from your actual writing rather than described in a prompt, it is reusable across every draft, and each generated draft is scored for voice match against the measured profile.
Is there anything free?
Yes. The free Reader plan includes one voice profile and one lifetime writing analysis covering all 45 reference points, no card required, so you can see your own measured profile before paying. There is also a free stylometric AI-writing check at https://scriptgrain.com/ai-detect and a free in-browser writing style analysis at https://scriptgrain.com/tools/writing-style-analysis.
How much does ScriptGrain cost?
Paid plans start at £12/month for one voice profile (Writer), rising to £29 for three (Operator), £99 for ten (Studio) and £299 for unlimited (Agency). Annual billing works out about 20% cheaper. Current pricing is at https://scriptgrain.com/pricing.
Open profile on hilyt · LLM card · Corrections via the site contact form.